Samsung AF HV Series User & Installation Manual page 62

Installing the air conditioner
Error
NO Description
code
Blockage on high
pressure side
14 E422
Error due to complete
refrigerant leakage
Error due to reverse
15 E425 phase, open phase
Cooling operation
16 E441
prohibition error
Outdoor unit BLDC fan
E458
17
E475 Outdoor unit BLDC fan
Compressor starting
18 E461
Full current or PFC over
19 E462
current error
OLP overheating and
20 E463 compressor operation
IPM (IGBT Module) over
21 E464
Compressor overload
22 E465
DC-Link over/short
23 E466
current error
Compressor wire
24 E467
connection error
25 E468 Current sensor error
Outdoor unit EEPROM
26 E471
IPM (IGBT module) or
27 E474 PFCM temperature
sensor error
Measures to be taken by installer
1. Check opening of the service valve
2. Check the connection status of
EEV and re-connect the connector
3. Check for leakage on connected
part between the product and
pipe, and pipe and extended pipe
1. Check the connection status of 3
phase power
detection
1. Check outdoor temperature limits
for cooling operation
1 error
1. Re-connect the connector
2 error
error
1. Change the location or direction of
the outdoor unit
1. Re-check opening of the service
valve
2. Check for leakage on connected
part between the product and
stops pipe, and pipe and extended pipe
3. Change the location or direction of
the outdoor unit
1. Re-check opening of the service
valve
current
2. Check for excessive refrigerant
charging (check the pressure)
1. Re-check opening of the service
valve
error
2. Inspect the voltage status of the
installation site
1. Inspect the voltage status of the
installation site
1. Re-connect the compressor wire
error
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ENGLISH-62
Measures to be taken by service
technician
1. Open service valve
2. Check the connection status of EEV and
re-connect the connector
3. Find and block the leaking part and re-
charge the refrigerant
1. Check the EMI PBA fuse
1. Check outdoor temperature limits for
cooling operation
2. Check/replace outdoor suction
temperature sensor
1. Re-connect the connector
2. Replace the motor
3. Remove foreign substances
1. Replace the outdoor unit PBA
2. Replace the compressor
1. Re-install the outdoor unit
1. Check for leakage and charge the
refrigerant again
2. Re-install the outdoor unit
1. Check/replace the operation of outdoor
unit's fan motor
2. Replace the outdoor unit PBA
3. Replace the compressor
1. Check the voltage of input terminal
2. Replace the outdoor unit PBA
3. Replace the compressor
1. Re-connect the reactor wire
2. Check the power source of the residence
3. Replace the outdoor unit PBA
1. Re-connect the compressor wire
2. Replace the PBA
1. Replace the PBA
1. Re-load the EEPROM
1. Replace the outdoor unit PBA